Multiple choice

Which of the following statements characterises erythropoietin?

  1. Erythropoietin is a protein.

  2. Hypoxia inhibits erythropoietin production.

  3. Most erythropoietin is made in the pancreas in adults.

  4. Erythropoietin decelerates the production of red blood cells.

  5. Erythropoietin increases water reabsorption in the Loop of Henle.
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A Correct answer
Explanation

Erythropoietin is a glycoprotein hormone consisting a single polypeptide of 166 amino acids. It binds to receptors on early red blood cell precursors and promotes their progression to form red blood cells.

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